Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.19.3
Stockholders' Equity (Details)
9 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
shares
Stockholders' Equity Note [Abstract]  
Stock options outstanding, beginning | shares 302,772
Stock options granted | shares 99,072
Stock options forfeited | shares (21,448)
Stock options outstanding, ending | shares 380,396
Weighted average exercise price outstanding, beginning | $ / shares $ 18.30
Weighted average exercise price granted | $ / shares 2.32
Weighted average exercise price forfeited | $ / shares 13.09
Weighted average exercise price outstanding, ending | $ / shares $ 14.43
Weighted average remaining contractual life, beginning 7 years 2 months 12 days
Weighted average remaining contractual life, ending 7 years 1 month 2 days
Aggregate intrinsic value outstanding, beginning | $ $ 0
Aggregate intrinsic value granted | $ 0
Aggregate intrinsic value forfeited | $ 0
Aggregate intrinsic value outstanding, ending | $ $ 0